[Security Vulnerability Alert] Advantech's WISE-DeviceOn Server contains a high-risk security vulnerability (CVE-2025-34256). Please confirm and patch it as soon as possible.

 
2025/12/23 ～ 2026/6/23
View Count：35

Forwarded from the National Cybersecurity Information Sharing and Analysis Center: Cybersecurity Alert NISAC-200-202512-00000075

[Content Description]
Researchers have discovered a vulnerability (CVE-2025-34256) in Advantech's WISE-DeviceOn Server that allows the use of a hard-coded cryptographic key. Unauthenticated remote attackers could create their own tokens to impersonate any DeviceOn account and gain complete control. Please confirm and patch this vulnerability as soon as possible.

[Affected Platform]
WISE-DeviceOn Server version 5.3.12

[Recommended Action]
Please update WISE-DeviceOn Server to version 5.4 or later.

[References]
1. https://nvd.nist.gov/vuln/detail/CVE-2025-34256
2. https://advcloudfiles.advantech.com/cms/2ca1b071-fd78-4d7f-8a2a-7b4537a95d19/Security%20Advisory%20PDF%20File/SECURITY-ADVISORY----DeviceOn.pdf

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